Two IBS experts--a New York Times bestselling author and a renowned GI psychologist--offer a groundbreaking, holistic approach with the most updated research to treating and thriving with IBS. IBS affects 45 million Americans; it's also a tricky disease-hard to diagnose, miserable to live with. With the advent of the low FODMAP diet, nutrition is one of the primary treatments--but most folks don't know how to connect the...